Carrier 42EP, Installation, Operation And Maintenance Instructions

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EN
Figure titles and legends:
1 Base unit clearance - Clearances needs [mm]
2
Units with rectangular flanges - Clearances needs [mm]
3 Units with compact plenum - Clearances needs [mm]
4 Units with large plenums - Clearances needs [mm]
5 Electrical danger pictogram
6 Caution hand hazard pictogram
7 General danger pictogram
8 Daisy chain recommendations
9 Lifting unit for installation in a false ceiling
10 Levelling the unit
a 20 mm/m fall in horizontal pipe run
b 50 mm siphon
11 Several units connected to one condensate collector
a 20 mm/m fall
12 Fan assembly removal
12.1 Ceiling unit
12.2 Floor unit
a Removing fan access panel
b Position of torx screws
13 Electric heater removal
13.1 Ceiling unit
13.2 Floor unit
a Location of screw
14 Coil inlet/outlet positions, all sizes
a Cooling water outlet (4 and
2-pipe coil)
b Cooling water inlet (4 and 2-pipe coil)
c Heating water outlet (4-pipe coil)
d Heating water inlet (4-pipe coil)
e Air vent
f water purge
15 Meaning of wires - Proportional valve actuator (not
applicable for valves with balancing functions)
a Black wire (230 V valve actuator),
actuator rod rising
b Green wire (24 V valve actuator),
actuator rod rising
c Brown wire, Actuator rod
lowering
d Actuator rod in high position
e Actuator rod in low position
16 Water flow adjustment of optional 2-way valve with
balancing function
a Control knob removal
b Knurled nut untightening
c Water flow adjustment (white
knob)
d knurled nut tightening in initial
position
17 Optional airflow controller
a Air Damper
b Fresh airflow setting (in m 3 /h)
c Airflow adjustment screw
d Motorized air dumper
18 Condensate pump assembly
19 Coil protective caps removal
a Protective caps (factory fitted)
ENGLISH
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